Solve the system of linear equations.0.6x + 0.1y = -1.5 x - 0.1y = -3.3
A. No solutions
B. (-3, 3)
C. (-0.3, 0.3)
D. Infinitely many solutions
Answer: B
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Solve using Cramer's Rule.Jerry has 3 pieces of string. The total length is 102 inches. The sum of the two longer pieces is 83. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?
A. 19, 45, and 55 inches B. 19, 38, and 45 inches C. 9.5, 19, and 73.5 inches D. No solution
Provide the proper response.A homework problem was "Find 
% of $1,300." Student answers were $3.25, $32.5, $325, and $3,250. Which is correct? What mistakes were made in getting the answers that are wrong?
What will be an ideal response?
Factor. Check by multiplying.9x + 18
A. 2(x + 9) B. 9(x + 9) C. 9(x + 2) D. 9(x + 18)
Solve the problem.If A is a 3 × 3 matrix and A + B = is the 
zero matrix, what can you say about the matrix?
A. B is the 3 × 3 zero matrix B. B is the 3 × 3 identity matrix C. B = A D. B = -A